A longitudinal study of fecal calprotectin and the development of inflammatory bowel disease in ankylosing spondylitis

Table 2 Spearman’s correlations between fecal calprotectin and parameters reflecting disease activity and physical function at baseline and 5-year follow-up

	CRP		ESR		ASDAS_CRP		BASDAI		BASFI		BASMI
	Baseline	5-year follow-up	Baseline	5-year follow-up	Baseline	5-year follow-up	Baseline	5-year follow-up	Baseline	5-year follow-up	Baseline	5-year follow-up
FC Baseline	0.280	0.209	0.222	0.169	0.260	0.240	0.190	N.S.	0.166	0.166	N.S.	N.S.
p-value	< 0.001	p = 0.007	p = 0.004	p = 0.031	p = 0.001	p = 0.002	p = 0.016	N.S.	p = 0.034	p = 0.034	N.S.	N.S.
FC 5-year	N.S.	0.219	N.S.	0.172	N.S.	0.207	N.S.	N.S.	N.S.	0.154	N.S.	0.207
p-value	N.S.	p = 0.005	N.S.	p = 0.027	N.S.	p = 0.008	N.S.	N.S.	N.S.	p = 0.048	N.S.	p = 0.008

Abbreviations: CRP C-reactive protein, ESR Erythrocyte sedimentation rate, ASDAS _CRP Ankylosing Spondylitis Disease Activity Score based on C-reactive protein, BASDAI Bath Ankylosing Spondylitis Disease Activity Index, BASFI Bath Ankylosing Spondylitis Functional Index, BASMI Bath Ankylosing Spondylitis Metrology Index, FC fecal calprotectin

ISSN: 1478-6362